High-temperature Basic Switch TZ CSM_TZ_DS_E_2_2 Stable Operation at an Ambient Temperature of 400°C • Incorporates a ceramic insulator, cobalt-alloy spring, and special- alloy contact, thus ensuring high contact reliability at high ambient temperature.  Smoothly operates at an ambient temperature of 400°C. Be sure to read Safety Precautions on page 3 and Safety Precautions for All Basic Switches. Ordering Information Specifications Actuator Model Ratings Non-inductive load (A) Inductive load (A) Pin plunger TZ-1G Rated Resistive Inductive voltage Lamp load Motor load load load (V) NC NO NC NO NC NO NC NO Hinge lever TZ-1GV 125 VAC 1 0.9 0.45 1 1.5 0.75 250 VAC 1 0.45 0.3 1 0.45 0.3 Short hinge roller lever TZ-1GV22 8 VDC 1 0.9 0.45 1 1.5 1.5 14 VDC 1 0.9 0.45 1 1.5 1.5 30 VDC 1 0.9 0.45 1 1.5 1.5 Hinge roller lever TZ-1GV2 125 VDC 0.4 0.05 0.05 0.4 0.05 0.05 Note: 1. The above current ratings are the values of the steady-state current. Note: The levers and rollers are made of stainless steel. 2. Inductive load has a power factor of 0.4 min. (AC) and a time constant of 7 ms max. (DC). 3. Lamp load has an inrush current of 10 times the steady-state current. 4. Motor load has an inrush current of 6 times the steady-state current. Structure 5. The above ratings are tested under the following conditions. Ambient temperature: 20±2°C Structure/Contact Form (SPDT) Ambient humidity: 65±5%RH Switching frequency: 20 times/min Ceramic pushbutton Fixed contact b Movable spring Bracket Characteristics Operating speed 0.05 mm to 1 m/s *1 Mechanical 60 operations/min Operating COM NC frequency Electrical 20 operations/min NO Insulation resistance 100 MΩ min. (at 500 VDC) Contact resistance 100 mΩ max. (initial value) 1,000 VAC, 50/60 Hz for 1 min between terminals of same polarity 1,500 VAC, 50/60 Hz for 1 min between Dielectric strength current-carrying metal parts and ground Ceramic terminal block and between each terminal and non-cur- Movable contact rent-carrying metal parts Fixed contact a Vibration Malfunction 10 to 55 Hz, 1.5-mm double amplitude *2 resistance 2 Destruction 500 m/s max. Shock 2 resistance Malfunction 300 m/s max. *1 *2 Mechanical 100,000 operations min. Durability Electrical 50,000 operations min. Degree of protection IP00 Electric shock protection Class I Ambient operating temperature −65°C to 400°C (with no icing) Ambient operating humidity 35% to 85%RH Weight Approx. 45 to 54 g *1. This operating speed applies to switches with pin-type pushbuttons. *2. This refers to a malfunction period of 1 ms max. Contact Specifications Specification Rivet Contact Material Platinum alloy Gap (standard value) 0.5 mm NC 9 A max. Inrush cur- rent NO 4.5 A max. 1 TZ Dimensions and Operating Characteristics (Unit: mm) Pin Plunger 23.3±0.25 TZ-1G 8.2 dia. * PT 3 dia. Two, 3.56-dia. holes 15.2 OP 13.2 Operating force OF max. 4.9 N 6.1 8.6 Release force RF min. 1.12 N 14.1 16.8 Pretravel PT max. 0.4 mm Over travel OT min. 0.13 mm 18.4 18.4 6.2 17.4 Movement Differential MD max. 0.15 mm 25.4±0.1 Three, M3.5 11.9 Operating Position OP 15.9±0.6 mm 49.2 * Ceramic pushbutton Hinge Lever * TZ-1GV 23.3±0.25 PT 7.5 OP 13.2 OF max. 0.98 N 8.6 14.1 RF min. 0.14 N 16.8 PT max. 3.5 mm Two, 3.56-dia. holes OT min. 4.6 mm 18.4 18.4 6.2 17.4 MD max. 1.3 mm 25.4±0.1 Three, M3.5 11.9 OP 18±1.2 mm 49.2 * Stainless-steel lever Short Hinge Roller Lever 9.5 dia. 4 *1 23.3±0.25 PT 7.5 TZ-1GV22 *2 OP 13.2 8.6 OF max. 2.35 N 14.1 16.8 RF min. 0.34 N Two, 3.56-dia. holes PT max. 1.5 mm OT min. 1.9 mm 18.4 18.4 6.2 17.4 MD max. 0.6 mm Three, M3.5 25.4±0.1 11.9 49.2 OP 28.6±1.2 mm *1. Stainless-steel roller *2. Stainless-steel lever Hinge Roller Lever *2 23.3±0.25 9.5 dia. 4 *1 PT 7.5 TZ-1GV2 OP 13.2 OF max. 1.27 N 8.6 14.1 RF min. 0.2 N 16.8 PT max. 2.6 mm Two, 3.56-dia. holes OT min. 3.5 mm 18.4 18.4 6.2 17.4 MD max. 1 mm 25.4±0.1 Three, M3.5 11.9 OP 28.6±1.2 mm 49.2 *1. Stainless-steel roller *2. Stainless-steel lever Note: Each dimension has a tolerance of ±0.4 mm unless otherwise specified. 2 63.5R 48.4R 26.2R TZ Safety Precautions Refer to Safety Precautions for All Basic Switches. • Switches are generally not constructed with resistance against Precautions for Safe Use water. Use a protective cover to prevent direct spraying if the switch is used in locations subject to splashing or spurting oil or water, dust Handling adhering. The Switch has a ceramic casing. Do not drop the Switch from a Incorrect Correct height of 30 cm or more. Doing so will break the casing. Mounting • Be sure to turn OFF the power supply to the Switch before mounting, dismounting, wiring, or working on the Switch for maintenance. Terminal box Terminal box • Mount the switch with M3.5 stainless-steel screws with plane washer and spring washers securely. • Install the switch in a location that is not directly subject to debris Use M3.5 stainless-steel mounting screws with plane washers or and dust from cutting. The actuator and the switch body must be spring washers to securely mount the Switch. Tighten the screws to protected from accumulated cutting debris and dirt. a torque of 0.69 to 0.98 N·m. Incorrect Correct Mounting Holes Two, 3.56-dia. mounting holes or M3.5 screw holes 25.4±0.1 • Do not use the switch in locations subject to hot water (greater than 60°C) or in water vapor. • Connect nickel-plated solderless terminals to the TZ. Each terminal • Do not use the switch outside the specified temperature and must be secured on the TZ with M3.5 nut. atmospheric conditions. • Make sure that the ceramic case is free of metal powder or other The permissible ambient temperature depends on the model. (Refer to the specifications in this catalog.) Sudden thermal impurities. changes may cause thermal shock to distort the switch and result Operation in faults. • Do not modify the Actuator and change the operating position. Incorrect Correct Separate the • Make sure that the switching speed is not extremely slow or do not installation lo- cation from use the Switch so that the pushbutton will be set to a position heat sources. between the FP and OP. • Make sure that the pin-type pushbutton and the switching stroke are on the same vertical line. • Make sure that the switching frequency or speed is within the • Mount a cover if the switch is to be installed in a location where specified range. worker inattention could result in incorrect operation or accidents. 1. If the switching speed is extremely slow, the contact may not be Correct Incorrect switched smoothly, which may result in a contact failure or contact welding. 2. If the switching speed is extremely fast, switching shock may damage the Switch soon. If the switching frequency is too high, the contact may not catch up with the speed. (preventing malfunctions) The rated permissible switching speed and frequency indicate the • Subjecting the switch to continuous vibration or shock may result in switching reliability of the Switch. contact failure or faulty operation due to abrasion powder and in The life of a Switch is determined at the specified switching speed. reduced durability. Excessive vibration or shock will cause the The life varies with the switching speed and frequency even when contacts to operate malfunction or become damaged. Mount the they are within the permissible ranges. In order to determine the life switch in a location that is not subject to vibration or shock and in a of a Switch model to be applied to a particular use, it is best to direction that does not subject the switch to resonance. conduct an appropriate durability test on some samples of the • If silver contacts are used with relatively low frequency for a long model under actual conditions. time or are used with microloads, the sulfide coating produced on • Make sure that the actuator travel does not exceed the permissible the contact surface will not be broken down and contact faults will OT position. The operating stroke must be set to 70% to 100% of result. Use a microload switch that uses gold contacts. the rated OT. • Do not use the switch in atmospheres with high humidity or heat or in harmful gases, such as sulfide gas (H2S, SO2), ammonia gas Precautions for Correct Use (NH3), nitric acid gas (HNO3), or chlorine gas (Cl2). Doing so may impair functionality, such as with damage due to contacting faults Mounting Location or corrosion. • Do not use the switch alone in atmospheres such as flammable or • The switch includes contacts. If the switch is used in an atmosphere explosive gases. Arcing and heat generation associated with with silicon gas, arc energy may cause silicon oxide (SiO2) to switching may cause fires or explosions. accumulate on the contacts and result in contact failure. If there is silicon oil, silicon filling, silicon wiring, or other silicon products in the vicinity of the switch, use a contact protection circuit to limit arcing and remove the source of the silicon gas. 3 Read and Understand This Catalog Please read and understand this catalog before purchasing the products. Please consult your OMRON representative if you have any questions or comments. Warranty and Limitations of Liability WARRANTY OMRON's exclusive warranty is that the products are free from defects in materials and workmanship for a period of one year (or other period if specified) from date of sale by OMRON. OMRON MAKES NO WARRANTY OR REPRESENTATION, EXPRESS OR IMPLIED, REGARDING NON-INFRINGEMENT, MERCHANTABILITY, OR FITNESS FOR PARTICULAR PURPOSE OF THE PRODUCTS. ANY BUYER OR USER ACKNOWLEDGES THAT THE BUYER OR USER ALONE HAS DETERMINED THAT THE PRODUCTS WILL SUITABLY MEET THE REQUIREMENTS OF THEIR INTENDED USE. OMRON DISCLAIMS ALL OTHER WARRANTIES, EXPRESS OR IMPLIED. LIMITATIONS OF LIABILITY OMRON SHALL NOT BE RESPONSIBLE FOR SPECIAL, INDIRECT, OR CONSEQUENTIAL DAMAGES, LOSS OF PROFITS OR COMMERCIAL LOSS IN ANY WAY CONNECTED WITH THE PRODUCTS, WHETHER SUCH CLAIM IS BASED ON CONTRACT, WARRANTY, NEGLIGENCE, OR STRICT LIABILITY. In no event shall the responsibility of OMRON for any act exceed the individual price of the product on which liability is asserted. IN NO EVENT SHALL OMRON BE RESPONSIBLE FOR WARRANTY, REPAIR, OR OTHER CLAIMS REGARDING THE PRODUCTS UNLESS OMRON'S ANALYSIS CONFIRMS THAT THE PRODUCTS WERE PROPERLY HANDLED, STORED, INSTALLED, AND MAINTAINED AND NOT SUBJECT TO CONTAMINATION, ABUSE, MISUSE, OR INAPPROPRIATE MODIFICATION OR REPAIR. Application Considerations SUITABILITY FOR USE OMRON shall not be responsible for conformity with any standards, codes, or regulations that apply to the combination of products in the customer's application or use of the products. At the customer's request, OMRON will provide applicable third party certification documents identifying ratings and limitations of use that apply to the products. This information by itself is not sufficient for a complete determination of the suitability of the products in combination with the end product, machine, system, or other application or use. The following are some examples of applications for which particular attention must be given. This is not intended to be an exhaustive list of all possible uses of the products, nor is it intended to imply that the uses listed may be suitable for the products:  Outdoor use, uses involving potential chemical contamination or electrical interference, or conditions or uses not described in this catalog.  Nuclear energy control systems, combustion systems, railroad systems, aviation systems, medical equipment, amusement machines, vehicles, safety equipment, and installations subject to separate industry or government regulations.  Systems, machines, and equipment that could present a risk to life or property. Please know and observe all prohibitions of use applicable to the products. NEVER USE THE PRODUCTS FOR AN APPLICATION INVOLVING SERIOUS RISK TO LIFE OR PROPERTY WITHOUT ENSURING THAT THE SYSTEM AS A WHOLE HAS BEEN DESIGNED TO ADDRESS THE RISKS, AND THAT THE OMRON PRODUCTS ARE PROPERLY RATED AND INSTALLED FOR THE INTENDED USE WITHIN THE OVERALL EQUIPMENT OR SYSTEM. PROGRAMMABLE PRODUCTS OMRON shall not be responsible for the user's programming of a programmable product, or any consequence thereof. Disclaimers CHANGE IN SPECIFICATIONS Product specifications and accessories may be changed at any time based on improvements and other reasons. It is our practice to change model numbers when published ratings or features are changed, or when significant construction changes are made. However, some specifications of the products may be changed without any notice. When in doubt, special model numbers may be assigned to fix or establish key specifications for your application on your request. Please consult with your OMRON representative at any time to confirm actual specifications of purchased products. DIMENSIONS AND WEIGHTS Dimensions and weights are nominal and are not to be used for manufacturing purposes, even when tolerances are shown. PERFORMANCE DATA Performance data given in this catalog is provided as a guide for the user in determining suitability and does not constitute a warranty. It may represent the result of OMRON’s test conditions, and the users must correlate it to actual application requirements. Actual performance is subject to the OMRON Warranty and Limitations of Liability. ERRORS AND OMISSIONS The information in this document has been carefully checked and is believed to be accurate; however, no responsibility is assumed for clerical, typographical, or proofreading errors, or omissions. 2012.8 In the interest of product improvement, specifications are subject to change without notice. OMRON Corporation Industrial Automation Company http://www.ia.omron.com/ (c)Copyright OMRON Corporation 2012 All Right Reserved.